Table 2.
Reliability analysis of the performance variables.
| Intra-Day Reliability | Inter-Day Reliability | |||
|---|---|---|---|---|
| ICC | 95%CI | ICC | 95%CI | |
| MIF | 0.97 | 0.91–0.99 | 0.97 | 0.90–0.99 |
| 1RM | only one maximal attempt per day | 0.98 | 0.93–0.99 | |
| SJ | 0.99 | 0.97–0.99 | 0.93 | 0.80–0.98 |
| CMJ | 0.97 | 0.92–0.99 | 0.91 | 0.74–0.97 |
| DJ30 | 0.98 | 0.96–0.99 | 0.95 | 0.84–0.98 |
| DJ45 | 0.98 | 0.96–0.99 | 0.94 | 0.81–0.98 |
| DJ60 | 0.97 | 0.93–9.99 | 0.84 | 0.53–0.94 |
ICC = intraclass correlation coefficient; 95%CI = 95% confidence interval; MIF = maximal isometric force; 1RM = one-repetition maximum; SJ = squat jump, CMJ = countermovement jump; DJ30,45,60 = drop jump from 30 cm, 45 cm, 60 cm falling height.